This is really really one of the most frustrating things for me when comparing software-rendered GUIs to GPU-rendered GUIs and which makes me still prefer software-rendered toolkits for any productivity app : resizing a GPU viewport is insanely slow compared to how it is be done in software (which was basically done at 60 fps without issues on pentium IVs 20 years ago)
That said, resizing the window is not the most relevant benchmark. It should be fast enough, but we rarely resize the window compared to normal use of an application
(Also, 20 years ago, screens were not in 4K. They had orders of magnitudes less pixels).
20 years ago a decent resolution was 1600x1200 (2.5 x 2.5 less than 4k) or 1280x960 (3 x 3 less than 4k), so less than a decimal order of magnitude smaller. In the same timeframe, bandwidth between the CPU and GPU has increased 100x.
Would be great to also have Slint compared ! https://slint.dev/
This is really really one of the most frustrating things for me when comparing software-rendered GUIs to GPU-rendered GUIs and which makes me still prefer software-rendered toolkits for any productivity app : resizing a GPU viewport is insanely slow compared to how it is be done in software (which was basically done at 60 fps without issues on pentium IVs 20 years ago)
That said, resizing the window is not the most relevant benchmark. It should be fast enough, but we rarely resize the window compared to normal use of an application
(Also, 20 years ago, screens were not in 4K. They had orders of magnitudes less pixels).
20 years ago a decent resolution was 1600x1200 (2.5 x 2.5 less than 4k) or 1280x960 (3 x 3 less than 4k), so less than a decimal order of magnitude smaller. In the same timeframe, bandwidth between the CPU and GPU has increased 100x.